Unity编写Sql语句

C#编写Sql

using System;
using System.Collections;
using System.Collections.Specialized;
using System.Data;
using MySql.Data.MySqlClient;
using System.Configuration;
using System.Data.Common;
using System.Collections.Generic;
/// <summary>
/// 执行查询语句，返回DataSet
/// </summary>
/// <param name="SQLString">查询语句</param>
/// <returns>DataSet</returns>
public static DataSet Query(string SQLString)
{
    
    
  string connectionString = "server=localhost 代表本机;database=数据库的名字;uid=root;pwd=;Charset=utf8";
  using (MySqlConnection connection = new MySqlConnection(connectionString))
  {
    
    
	DataSet ds = new DataSet();
	try
	{
    
    
                connection.Open();
                MySqlDataAdapter command = new MySqlDataAdapter(SQLString, connection);
                //command .Tables.Add("ds");
                command.Fill(ds, "ds");
        }
        catch (MySql.Data.MySqlClient.MySqlException ex)
        {
    
    
		throw new Exception(ex.Message);
	}
	return ds;
  }
}